103113121033231 has 4 divisors (see below), whose sum is σ = 103116213007000. Its totient is φ = 103110029059464.

The previous prime is 103113121033213. The next prime is 103113121033253. The reversal of 103113121033231 is 132330121311301.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103113121033231 is a prime.

It is a super-2 number, since 2×103113121033231² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103113121033196 and 103113121033205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103113121033201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1545936861 + ... + 1546003558.

It is an arithmetic number, because the mean of its divisors is an integer number (25779053251750).

Almost surely, 2^{103113121033231} is an apocalyptic number.

103113121033231 is a deficient number, since it is larger than the sum of its proper divisors (3091973769).

103113121033231 is an equidigital number, since it uses as much as digits as its factorization.

103113121033231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3091973768.

The product of its (nonzero) digits is 972, while the sum is 25.

Adding to 103113121033231 its reverse (132330121311301), we get a palindrome (235443242344532).

The spelling of 103113121033231 in words is "one hundred three trillion, one hundred thirteen billion, one hundred twenty-one million, thirty-three thousand, two hundred thirty-one".